This digital clock is ideal for chess and other games that require countdown timing, bonus settings, and delay functions. It is lightweight and compact, making it easy to carry in most bags and convenient for club or tournament use. Features large, responsive buttons with a comfortable press feel. Constructed with high-quality, durable ABS plastic. Offers bonus and delay timing modes. Designed for portability and energy efficiency. Functions: - Basic: Set the base time - Bonus: Set the base time and additional bonus time - Delay: Set the base time with delay intervals - Positive Time: Set base time to 0 for incremental timing systems Technical Data: - Material: ABS - Color: Black - Screen Size: 103*23mm / 4.06*0.91 inch - Product Size: 140*88*45mm / 5.51*3.46*1.77 inch - Product Weight: 105g / 3.70 oz - Package Weight: 157g / 5.54 oz Package Includes: 1 * Chess Clock